Mark the Correct alternative in the following: The complete set of values of k, for which the quadratic equation has equal rots, consists of

Question

Philoid · Accepted Answer

Since roots are equal then b² – 4ac = 0

From the given equation we get,

K² – 4 (1) (k+2) = 0

K² – 4 k - 8 = 0

=2±√12